Ball-bearing.



E. H. W. WEEBULL.

BAH. BEARING.

APPLICATION FILED SEP?. i?.

Pmened Api'. 22, 1919.

. @iwi Specification of Letters Pat-cnt.

Appilcetion filed September 1'?, NEM Serial No. 254,490.

lie it known lnil: l, lnxs'r limmmn WA- nonnr Vinnrjmi, n enhjecolf the liimr of Sweden, residing at lloilonhorg, in ljhe eomny of Goitenhor.; :incl liohnnl unil i'ing- (loin of Sneden, have invented non nml ilselinl Vlmprovementel in lnll Bearings, of which 'the foilowing' is alv Speoili xvirion.

This invenlon relates to impr;vements in hearings of the type having inner und onler rneewnys with rollers blerehetween. 'The in venion is; directed more .particularly to iinproveinents: in `the l1); ne of hearings, in whioh he inne :unl` onler rnoen'nlvs are provided. willi opponitiely rlisiioseil groeven rnrveli in cross noot-ion, und the rollers nre movil-,lofi ivih peripherie` .f'infverl transversely to conform to the onrvnliin'e of he grooves. iin l'his ievloe of honring zo; heretofore mnnni'notured, he curvature of ihe peripheriel olf the rollem nre orcs oi'i ei 'cles havinglhoir renfers in the center .'l lfhe rollorhl nml lhe enrnlfnres of lhe groove@` are aires of eiroien, which nre concentric with the curves of ihe roller peripherihs. NVith this type oi" honring, in orller that the rollers may he ineerreil hetween''the ringe, Wihout perln'el'im' the rings., it is neces, r lio provide the opposite sides of `the rollere with lhirtened sin'inceS, Se hnl; the rollers may he inserted between the rings and then lnrneil 'to bring' their enrveil prripheries into engagement. will; the cnrveil grooves oi1 the rings. lt will he rezuiilv recognized that Wiili ihin ivre o'l blurring the roller will nuire n` renden Y zio .'nrn lo n posilion :1r righi angles lo its normal position, nel. for rhif; rumen ein s moet he en'mloell or muizrninmg the rollers; in lheir proper wositi'ons.

The el). i'. of this invention is to provide n roller hearing of the type referred to in which rhe rollers will he reininecl in rheir norm-ll (merniive position wiihont need ol e roller enge,

ln emrying' my invention into effect l provide he roller hearing; with rollers :limi vneil on two opposile sicles ns. already known consisllng.;i noi'v in n section of an exact hall hnl in n Section of :rn otherwise shaped solid o revolution snel] an ellipsoicl. so lnr; the disl'anee through lhe center of the roiler Anil rormol lo the anis is less than any cliz'rgonol isionee 'through ille center o'l zhe roller. lijf y a' i Y f 1. 3 @his conerrf'non lille rohers eannoi *bilico or nrne@ infie or onli i; orlln .Lznrv power lo overcome lille resistance er;- erieil helwveen l'he rollere` and. 'the race n' in the tin-ning or tilting;` movement. li'. le senliel the( neither the rollers nor 'tl-le race rings be damaged hy this powerful l'iliing` or the rollers in the 'moment of mountingY or (lismonntingr, und ro secure this requirement, l make the ililierirnce hetween the above menioneil ilingonnl distance through. the center ol ille roller nncl the free ,Sp-:vee ivi'lihin the rnc-e ways so slight, that rho resistance eel: un when tilting' he rollere` into or ont or their operative poeilioil, will he kept helow (he elnslie limi! of ihl" .'nmerinl of the rollers :incl the hearing; ringe. From, 'this contrnvfiom il will resll'l ihmY lho ilo'fornml ion of l'he said ports in ihr lilting;Y niovenwnl will he onl),7 momennry? und the Sniff? parle will resume J:heir original unil @Knef Ylorm immo-- (lintely offer he lilingfg movemen his; horn rompletefl.

ln the 11a-onlinrnyingf ironing lfinnvf l--B lllnslirne the lmoxvn manner in 'which lhe roller` nre. inserted 'inio the while Figs. l-l in n somewhat larger emile ilennmsiirno the Corresponding melhoil in ronneelion iviih in v improved shape oiE ihre rolle .ln nil the fig/uren There uw shown meely the upper porions oif n Single row roller hearing-willi the. parte in lprznisverse section. Fig. l Shows the firsl- Singe when npplving :1 roller o the known typo into the henring. 'Fig'. i? Shows the nerr singe when lho roller is, filled uprighlV inl'o iis f operai posil'ion, Fig. 3 shows. the roller in onernliie position The roller rege, re" 'l'erre io :ihove :is inlispensnhle in renner`- lion with lhe known type. ol' roller` not shown in Ache clrnwing.

Fig. #l 'illustrates the inrproverl roller when tilt-ed to or from its place in the hearing enel when it has reached its inosi, critical position. Fig. 5 snows the roller ready for oper- Ation, lhe ellipsv-iialnl Shape being i'mlieetecl hy (loi :incl (lash lines. Fig. is n diagrammnic view on un orngg'ernteql seele.

Though the invenliion is illustrated in the drawing as applied, on n :single row aclinl hearing, the Sinne muy he embodied in /clonole or multiple row radial hearings and aria-l hei rings, anni l do not confine inyselsl to he special embodiment or roller hearings i xempliiecl in the drawing.

' lhe some reference figures relier 21o similiar nario in nl] oil' the rigores ol l; ie

ln the drawing the heer hearing? Cri ou nnirkotl l :ind respectively und their grooietl rzico wuj; -lnntl "".lni rollerl lo* witted iritliin those rzico may@ uro ilrisignntoil 3. :intl tlm)Y :mi lint :fnotl on tiro opposito silos ns uic-ntionml nboic. 'Flic roll-'2r in b3 is :i slvction ot nn emot, bull (its indivntttl by tlotlml linoI in Fig. 3) :intl tlm tlifrtantro b-rtwoon its; tluttonttl sitlvs or Vtliev o iinl n'itltli ot tln: rollrr is loss ltlnin tho 'tlistu'info botnoen tlity lion 'ing ringsy so tlnit the rollcmy muy lio imei-tod llctiretni thel rings.' :in Shown in l :intl thun tilted, us shown in :2, .into 'tlio ponition shown in Fig. This tiltinfr move/nient', :zin ba port'orinotl without any resistinnco on account: of the exact bull Slnip@ of the, rollers 3.

Tlio roller illustrated in Figs. lftl is t surninotriml sm'tion ot' :in ollipsoiil ns indi` ated by the. dotuntllzisli lines in Fig. 5. Yln Fidi t3 'tlo lint` ti roproscn'ting tlm (ling onul tliritoncn tlirougli tli@v renter olf the roller is of grantor length than tvlio .line i' ffl ich represents tlio (listnncs. through tlio conter of tlie rollor nud norinzil to tlio unis. Front Fig. #il it, will be notvd tliit tlw length ol tlnx (liug'onul distance tions not :allow to rollor to be 'tilteil trtoli' into tlm ontw-- nivo position sliou'n in Fig. llut n. ro- ;iistance is sot: up nt, tlio pointsl olf routinrt eslionn in lt`ig. il. This rcsistnncu will ro Suit in un expansion ol' tln: witllli liitwcon the riuso rings, :is indiintotl in Fig. ti nlwro4 in the clistnnoo liotn'oon tlm liottonxs ot tlie grooves of the racc wuts equals llio liugtli of Cncli of tho (liugoniil lines i. Accordingto tlio invention, lione-vor, tliis lnl'orinution is not` permanent but only inoinontnry. so tliut the rings l innl 2 inunotliutoly utter tlnit tlml rollor 3 lios pusssotl tlnx critical posit-ion shown in Fig'. l. rosunnl tlioir orig'- inzil positionri nml. ongein@ tln` rolltrs 3f iit'cortlingly it is to luf understood. tllu tllo 'l'roo sptimes sliown in Fig. il lwtwwu t'no rollor nml tlu ruro ways uroy not i'ountl in iiulill.' :intl nro linnn only to solioniutirailli' (lmnonstruto tin, oprrntion. To l'ullil tliinl roquirinu'nt ol rustorntion of llio original (linwnsious oll tlio liuuringf rings, it, is nouns- Snry, tlnil lio rrsistzinr-o oxortifl iu tlm oritit-:il nionnrnt. -liown in Fig. ltloos not oxooctl tlio olimt io liinit ol (lio nintoriul ot tlm rollors :xml l l:il-ingr4 rings. rifo obtain tliis ulliot. tlm wiiltli H of the rollin-sA lwtwoon tlio f'luttonetl sides, that 'the wifL n of the ellipoit'lnl ffootion i. Selecftd with the View o't' lin evident, that the nur tlm tilting manen o wil1 tiri ont; to priv-.font tho nooit entail o l tflio rollers and :for coges non@ not be oznployrfl. ning, tlniralole (o uso i alighty cage for retaining tlm rollen; in Speed relation. so tlntt will not, Contact; with ouch other Lansing wear-infr.

l'iiiring thus described nl); Suid invention. :nul 110W .it is to bo performed, wliut i clziini :intl desire to protect by Lette s Partant is:

l. lin an :intiiriction bearing, the :.foniliinsr Ation oi two bearing rings spaostl apart and hitting oppositely disposed. grooves ciri'etl trninswrsely, :intl :L roller located betwen mill rings :intl halting flattened sitios anti :i trnnstrsoly curved poriphery. tlui listini/Ce through tlui conter ol tlio rollin, und noriniil to tho unis boing los tlnrn :in i' diagonal (listnnuo through tho mentor ot' tno rolr und incluilotl Within the onrrotl oorii'iery.

2. in un zintiiriotion banning'EJ t i@ winlolnntion willi two bniring rings intr ing "Corail inron'ziys curtail trtinsi'orsoly. o1' rollY rattled in the iftufirnys, moli olt mit rollers lwiugfn synunotritfnl sot-.tion ot' :in o ipsoitl, tlw cui-vrs of tlio grootenk boing approxiinu'toly tlioy suino nf; the curvo ot' 'the roller pe 'iphoryv il. in. in nntilriotion' limiting., roncoir triczilly :ir winged innor and outer ructi ways. 9 tho inner rnc@ way having in @forniti groom @urteil in cross section, tlm outer raro wily hating,Y :in intornul groove, cu 'mail in ross Svrtion, siiiil grooves lining' :wronged opposito u1u-l1 other :nul tlnii ourtos being" parts ot ollipsoitl curves., and rollers lotzitotl lwtwoou mill rauw wilg/s nud having curved poiipliorirs unil l'luttonml sitlvs. unt-li oiC said rollers living n syinnnitriuul Inrcion ol :in tllipnoid.

In testimoniv wlicroof l liuto zillixeti my signature in prost-ucc ot' two witnosnns. 

